OTHER COMPREHENSIVE INCOME (Tables)

3 Months Ended

Mar. 31, 2021

OTHER COMPREHENSIVE INCOME [Abstract]

Accumulated Other Comprehensive Income, Net of Tax

	March 31	December 31	March 31
in thousands	2021	2020	2020
AOCI
Interest rate hedges	$       (23,587)	$       (23,943)	$       (24,839)
Pension and postretirement plans	(156,127)	(157,362)	(185,090)
Total	$     (179,714)	$     (181,305)	$     (209,929)

Changes in Accumulated Other Comprehensive Income, Net of Tax

		Pension and
	Interest Rate	Postretirement
in thousands	Hedges	Benefit Plans	Total
AOCI
Balances as of December 31, 2020	$       (23,943)	$     (157,362)	$     (181,305)
Amounts reclassified from AOCI	356	1,235	1,591
Net current period OCI changes	356	1,235	1,591
Balances as of March 31, 2021	$       (23,587)	$     (156,127)	$     (179,714)

Amounts Reclassified from Accumulated Other Comprehensive Income to Earnings

	Three Months Ended
	March 31
in thousands	2021	2020
Amortization of Interest Rate Hedge Losses
Interest expense	$            482	$         1,074
Benefit from income taxes	(126)	(280)
Total	$            356	$            794
Amortization of Pension and Postretirement
Plan Actuarial Loss and Prior Service Cost
Other nonoperating expense	$         1,671	$         2,294
Benefit from income taxes	(436)	(599)
Total	$         1,235	$         1,695
Total reclassifications from AOCI to earnings	$         1,591	$         2,489